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Contract OI history

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Oct 30, 2026 EXPIRATION

MARA $12.50 Put

MARA261030P00012500

Latest saved OI54Oct 23, 2026
Last change-335vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $12.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4432210 2026-10-09: 433 OI2026-10-13: 443 OI2026-10-14: 443 OI2026-10-15: 434 OI2026-10-16: 427 OI2026-10-21: 389 OI2026-10-23: 54 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MARA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing54-335
Oct 21, 2026389-38
Oct 16, 2026427-7
Oct 15, 2026434-9
Oct 14, 20264430
Oct 13, 2026443+10
Oct 09, 2026433No prior observation